HU212794B - Water detection process by karl-fischer method - Google Patents

Water detection process by karl-fischer method Download PDF

Info

Publication number
HU212794B
HU212794B HU9402494A HU9402494A HU212794B HU 212794 B HU212794 B HU 212794B HU 9402494 A HU9402494 A HU 9402494A HU 9402494 A HU9402494 A HU 9402494A HU 212794 B HU212794 B HU 212794B
Authority
HU
Hungary
Prior art keywords
titration
reagent
component
solvent
methylformamide
Prior art date
Application number
HU9402494A
Other languages
English (en)
Hungarian (hu)
Other versions
HU9402494D0 (en
HUT71964A (en
Inventor
Eugen Scholz
Original Assignee
Riedel De Haen Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riedel De Haen Ag filed Critical Riedel De Haen Ag
Publication of HU9402494D0 publication Critical patent/HU9402494D0/hu
Publication of HUT71964A publication Critical patent/HUT71964A/hu
Publication of HU212794B publication Critical patent/HU212794B/hu

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • G01N31/168—Determining water content by using Karl Fischer reagent

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
HU9402494A 1993-08-31 1994-08-30 Water detection process by karl-fischer method HU212794B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4329287A DE4329287A1 (de) 1993-08-31 1993-08-31 Verwendung von N-Methylformamid als Lösungsmittel für die Karl-Fischer-Titration

Publications (3)

Publication Number Publication Date
HU9402494D0 HU9402494D0 (en) 1994-11-28
HUT71964A HUT71964A (en) 1996-02-28
HU212794B true HU212794B (en) 1996-11-28

Family

ID=6496439

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9402494A HU212794B (en) 1993-08-31 1994-08-30 Water detection process by karl-fischer method

Country Status (7)

Country Link
US (1) US5466606A (de)
EP (1) EP0643303B1 (de)
JP (1) JPH07151746A (de)
DE (2) DE4329287A1 (de)
DK (1) DK0643303T3 (de)
ES (1) ES2140485T3 (de)
HU (1) HU212794B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421453A1 (de) * 1994-06-18 1995-12-21 Riedel De Haen Ag Karl-Fischer-Reagenz
IL114938A (en) * 1995-08-15 2000-08-13 State Of Israel Ministry Of In Reagent for determining water and ene-diols or thiols
DE19740965A1 (de) * 1997-09-17 1999-03-18 Rdh Laborchemikalien Gmbh & Co Karl-Fischer-Reagenz
AU1410701A (en) * 1999-11-17 2001-05-30 National Institute Of Standards And Technology ("Nist") Reagents for water determination in samples containing iodine-reacting interfering substances
US20130171734A1 (en) * 2011-12-28 2013-07-04 Soulbrain Co., Ltd. Method of Measuring Moisture Content in Lithium Secondary Battery Electrolyte and Analytical Reagent Composition Used in the Same
CN109298127A (zh) * 2018-10-19 2019-02-01 常州合全药业有限公司 烷基硅醇中缩合杂质含量的检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354853A (en) * 1981-05-11 1982-10-19 Harald Dahms Karl Fischer reagent and its use
DE3329020A1 (de) * 1983-08-11 1985-02-21 Riedel-De Haen Ag, 3016 Seelze Loesemittel fuer die wasserbestimmung nach karl-fischer
US4725552A (en) * 1984-05-21 1988-02-16 Harald Dahms Karl Fischer reagent and its use
DE3521544A1 (de) * 1985-06-15 1986-12-18 Merck Patent Gmbh, 6100 Darmstadt Loesungsmittel fuer die wasserbestimmung nach karl-fischer
DE3723084A1 (de) * 1987-07-13 1989-01-26 Merck Patent Gmbh Loesungsmittel fuer die wasserbestimmung nach karl-fischer
US5340541A (en) * 1993-03-05 1994-08-23 Eli Lilly And Company Automated Karl Fischer titration apparatus and method

Also Published As

Publication number Publication date
ES2140485T3 (es) 2000-03-01
HU9402494D0 (en) 1994-11-28
EP0643303B1 (de) 1999-11-10
HUT71964A (en) 1996-02-28
EP0643303A1 (de) 1995-03-15
DE59408908D1 (de) 1999-12-16
JPH07151746A (ja) 1995-06-16
DK0643303T3 (da) 2000-05-08
DE4329287A1 (de) 1995-03-02
US5466606A (en) 1995-11-14

Similar Documents

Publication Publication Date Title
HU212794B (en) Water detection process by karl-fischer method
US5567618A (en) Karl Fischer reagent
EP3827257A1 (de) Verfahren zur bestimmung einer wassermenge in einer probe unter verwendung eines imidazolderivates und eines halogenwasserstoffdonors
JP4245289B2 (ja) カールフィッシャー試薬
US11714072B2 (en) Reagent compositions and method for Karl Fischer titration
US4416997A (en) Pyridine-free Karl Fischer reagent useful in determining water
JPS6216378B2 (de)
US5962328A (en) Electrolytic solution fork Karl Fischer coulometric titration and method for water content determination using the electrolytic solution
US5401662A (en) Method and reagent for the determination of water
US4720464A (en) Electrolytes for Karl Fischer coulometric titration
US4725552A (en) Karl Fischer reagent and its use
CA2374812A1 (en) Karl fischer reagent
US3682783A (en) Method for coulometric karl fischer titration
KR100648856B1 (ko) 칼-피셔 전기량 적정용 일액형 시약
Izutsu et al. Some recent studies on the use of electrochemical sensors in nonaqueous solution chemistry
Brummet et al. Chelating agents in nonaqueous titrimetry
US5389545A (en) Reagents, methods and kits for water determination
KR20030059842A (ko) 칼-피셔 전기량 적정용 일액형 시약
WO1995003545A1 (en) Iodine-free karl fischer reagents
Ito et al. Quantitative determination of NTA and other chelating agents in detergents by potentiometric titration with copper ion selective electrode
JPH11153590A (ja) カールフィッシャー試薬
SU665263A1 (ru) Способ определени растворимости вольфрамофосфатов аминосоединений в воде
RU2614704C2 (ru) Способ кулонометрического определения содержания воды в лекарственной форме мазь
KR20040000799A (ko) 칼-피셔 전기량 적정용 이액형 시약의 음극액 및 이를포함하는 이액형 시약
SU1649408A1 (ru) Титриметрический способ определени 1- @ 4-[ @ -(2,4-дитретамилфенокси)-бутироиламино]-фенил @ -3-N-морфолино-4-(1-фенилтетразолилтио-5)-пиразолон-5,(Н-599)

Legal Events

Date Code Title Description
HPC4 Succession in title of patentee

Owner name: RDH LABORCHEMIKALIEN GMBH & CO. KG, DE

HMM4 Cancellation of final prot. due to non-payment of fee